package main
import (
	"fmt"
	"time"
)

func f(from string){
	for i:=0;i<5;i++{
		fmt.Println(from,":",i)
	}
}

func main(){
	f("direct")

	go f("goroutine")

	go func(msg string){
		fmt.Println(msg)
	}("going")

	time.Sleep(time.Second)
	fmt.Println("done")

}